Apple Newton Utilities Uživatelská příručka stáhnout pdf (Strana 660)

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CHAPTER 18

Intelligent Assistant

18-14 About the Assistant

If you specify the 'dyna_user_action symbol as the ﬁrst element of your task

template’s

signature slot, any target that distinguishes one template from

another enables the Assistant to select the correct template. For example, the two

target templates in the following code fragment represent the games Chess and

Checkers, respectively:

chess_obj := {value: "chess obj",

isa: 'dyna_user_obj,

lexicon: [ "chess" ]

}

chkrs_obj := {value: "checkers obj",

isa: 'dyna_user_obj,

lexicon: [ "checkers" ]

}

The fact that the lexicons in these templates do not match allows the Assistant to

resolve the ambiguity. When the string

"play chess" is passed to the Assistant,

the word

"play" is matched to the play_act template and the Assistant creates

an action frame from that template. Similarly, the Assistant matches the word

"chess" with the chess_obj template’s lexicon and creates a target frame from

that template.

Note that the

play_act action frame can be matched to the primary_act of

either the

chess_Template or the checkers_Template. Because the

signatures of both of these templates specify the

dyna_user_action and

play_act frame types as their first two elements, the conflict is not resolved until

the third element of one of these

signature arrays is matched.

The

chess_obj target frame matches the third element of the signature for the

chess_template. It does not match any elements of the signature in the

checkers_Template. Thus, matching the word "chess" resolves the conflict

because the only

signature array that has been matched completely is that of the

chess_Template.

Compatibility Information 18

The Assistant now matches entire words only, instead of allowing partial matches.

The Assistant no longer uppercases the words that it returns.

The Assistant now adds the eight most recently parsed phrases to the bottom of the

Please pop-up menu. Phrases do not need to be interpreted successfully by the

Assistant to be included in this list.

The result frame returned by the

ParseUtter function contains a new slot named

entries, which holds an array of aliases to soup entries that were matched when

parsing the input string. To retrieve these entries, you must use the new

GetMatchedEntries global function.

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